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1. Testis: Anther

In animals, testis is the male reproductive organ that produces sperms. Similarly, in plants, anther is the male reproductive part that produces pollen grains.

2. Sperm: Pollen grains

Sperm is a male gamete in animals. In plants, pollens are male gametes. The generative cell of pollen divides to produce two nuclei called male gametes.

3. Ovary: Ovary

In animals, ovary is the female reproductive organ that produces eggs. Similarly, in plants, ovary is the female reproductive organ that contains ovules.

4. Egg: Ova/Ovum

Eggs in animals are also called ova. In plants, eggs are present inside the female gametophyte, i.e., ovule.

2. The function of flowers in flowering plants is to assist in sexual reproduction. Flower is the most important part in angiosperms because the reproductive parts are located inside it.